I've compared the prototype E3 gamepad against the retail version. Nintendo did make some changes after the E3 in 2011 when they exhibited the console. : r/wiiu
/cdn.vox-cdn.com/uploads/chorus_image/image/61938061/DqfGLkyXQAA1qCt.0.jpeg "Original Wiimote prototypes photos show cool, if subtle, changes - Polygon")
Original Wiimote prototypes photos show cool, if subtle, changes - Polygon
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Original Wiimote prototypes photos show cool, if subtle, changes - Polygon
